Specification Brand : uxcell BulletPoint1 : Package Content: 1 x Chain Sprocket BulletPoint2 : Chain Sprockets are normally mounted in a fixed position on a fixed shaft. This sprocket has a hub extension on one side to provide stability. The shaft can be fixed well, which is convenient to use. BulletPoint3 : The chain sprocket should not rotate at a greater speed than is allowable for drive sprockets of the same size. Every roller chain sprocket comes with strong teeth that can latch onto the chain. It is suggested that chain sprockets have at least three teeth in mesh with the chain. BulletPoint4 : The product is made of A3 carbon steel. High-frequency quenching treatment of teeth, the surface hardness, wear resistance are significantly improved. The part without quenching retains the original toughness and is easy to further process. It can be processed into different inner diameter sizes according to the requirements of use. BulletPoint5 : Widely used in milling machine, drilling machine or other machinery transmission occasions. Color : Black ExternallyAssignedProductIdentifier : 8675182165865 ExternallyAssignedProductIdentifier1 : 0637885507418 ExternallyAssignedProductIdentifier2 : 637885507418 FitType : Universal IncludedComponents : Chain Sprocket ItemName : uxcell 21 Teeth Sprocket Type B Single Strand 1/2" Pitch, 14mm Bore A3 Carbon Steel for ISO 08B ItemPackageDimensions_Height : 1.57 inches ItemPackageDimensions_Length : 7.09 inches ItemPackageDimensions_Width : 5.91 inches ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : uxcell Material : Carbon Steel Material1 : black_oxide Material2 : carbon steel c45 ModelNumber : a21121100ux0383 NumberOfItems : 1 NumberOfRows : 1 NumberOfTeeth : 9 PartNumber : a22010500ux0550 ProductDescription : Features: 1. Chain Sprockets are normally mounted in a fixed position on a fixed shaft. This sprocket has a hub extension on one side to provide stability. The shaft can be fixed well, which is convenient to use. 2. The chain sprocket should not rotate at a greater speed than is allowable for drive sprockets of the same size. Every roller chain sprocket comes with strong teeth that can latch onto the chain. It is suggested that chain sprockets have at least three teeth in mesh with the chain. 3. The product is made of A3 carbon steel. High-frequency quenching treatment of teeth, the surface hardness, wear resistance are significantly improved. The part without quenching retains the original toughness and is easy to further process. It can be processed into different inner diameter sizes according to the requirements of use. 4. Widely used in milling machine, drilling machine or other machinery transmission occasions.